Radiant builds Kaleidos, a portable, factory-built nuclear microreactor that delivers a megawatt of clean power anywhere it is needed. Backed by a16z, Felicis and USV.
About the role
Qualify as an operator to gain firsthand experience and ensure the team's work aligns with real-world execution. Implement the conduct of operations and fleet monitoring processes for Kaleidos reactors. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- 4+ years of full-time professional experience in engineering problem-solving, including system design, analysis, or testing
- Familiarity with the interrelationships and dependencies of complex systems, encompassing nuclear, mechanical, I&C and electrical systems - and their response as an integrated power plant system
- Proficiency in managing or optimizing complex hardware and software processes for testing and operations
- Ability to apply first principles thinking to solve problems and make decisions in uncertain or ambiguous situations
- Background in highly regulated industries (e.g., nuclear, aerospace, aviation, maritime)
- Prior experience working as an operator in nuclear environments (e.g., nuclear energy, naval reactors, or radiation-controlled facilities), with familiarity in safety protocols, regulatory compliance, and high-reliability operations
More about this role
Radiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. The company’s first reactor, Kaleidos, is a 1-megawatt, fail-safe microreactor that can be transported anywhere power is needed and run for up to 5 years without refueling. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Radiant’s unique, practical approach to nuclear development leverages modern software engineering to rapidly deliver safe, factory-built microreactors that use existing, well-qualified materials. Founded in 2020, Radiant is on track to test its first reactor at the Idaho National Laboratory this summer, with initial customer deliveries beginning in 2028.
About the Role
As a Reactor Operations Engineer, you will support the broader engineering team by providing operational insights and ensuring that once built, Radiant is prepared to test, commission, and support long term operations of Kaleidos reactors. This role offers a rare opportunity to bridge engineering, operations, licensing, and human factors in...
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